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comparison graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2661:194d93d089bd

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Towards clean up of canTrap().
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 11 May 2011 17:18:31 +0200
parents 9f557e940180
children 6ca76b891d31 405e7947a940
comparison
equal deleted inserted replaced
2660:9f557e940180 2661:194d93d089bd
623 } 623 }
624 } 624 }
625 625
626 @Override 626 @Override
627 public void visitNullCheck(NullCheck x) { 627 public void visitNullCheck(NullCheck x) {
628 // TODO: this is suboptimal because it may result in an unnecessary move
629 CiValue value = load(x.object()); 628 CiValue value = load(x.object());
630 if (x.canTrap()) { 629 LIRDebugInfo info = stateFor(x);
631 LIRDebugInfo info = stateFor(x); 630 lir.nullCheck(value, info);
632 lir.nullCheck(value, info);
633 }
634 x.setOperand(value);
635 } 631 }
636 632
637 @Override 633 @Override
638 public void visitPhi(Phi i) { 634 public void visitPhi(Phi i) {
639 Util.shouldNotReachHere(); 635 Util.shouldNotReachHere();
1593 } 1589 }
1594 return false; 1590 return false;
1595 } 1591 }
1596 1592
1597 public boolean requiresNullCheck() { 1593 public boolean requiresNullCheck() {
1598 return current == null || current.canTrap() || current instanceof InstanceOf || current instanceof CheckCast; 1594 return current == null || true;
1599 } 1595 }
1600 1596
1601 public boolean requiresBoundsCheck() { 1597 public boolean requiresBoundsCheck() {
1602 return true; 1598 return true;
1603 } 1599 }